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During installation, the following dialogs may appear due to User Account Control in Windows Vista. Please click Continue or Allow and then proceed installation.

Message 1: A program needs your permission to continue If you started this program, continue.

Message 2: An unidentified program wants access to your computer Don't run the program unless you know where it's from or you've used it before.

Uninstall

Start Windows Vista and logon with administrative privileges.

Click Start, select Control Panel.

Double-click Programs and Features.

Select ATI Catalyst Install Manager then click Change.

Follow the instructions on the screen.

Click Allow or Continue, then proceed uninstallation.

Determining which version is installed

Start Windows Vista.

Right-click anywhere on an open area of the Windows desktop, select ATI Catalyst Control Center. If the ATI Catalyst Control Center is opened for the first time, a window will open asking to choose between Basic or Advanced. Select Advanced and click Next.

Catalyst Control Center Notification window will open then click Yes. Catalyst Control Center Advanced window will open.

In the Graphics Settings pane, select Information Center then Graphics Software. In the Graphics Software pane, Driver Packaging Version is displayed.